ML17334A963
| ML17334A963 | |
| Person / Time | |
|---|---|
| Site: | Cook  |
| Issue date: | 05/19/1986 |
| From: | INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG |
| To: | |
| Shared Package | |
| ML17334A962 | List: |
| References | |
| GL-83-37, NUDOCS 8605230211 | |
| Download: ML17334A963 (33) | |
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REACTORCOOLANT,SYSTEM3/4.4.6REACTORCOOLANTSYSTEMLEAKAGELEAKAGEDETECTIONSYSTEMSLIMITINGCONDITIONFOROPERATION3.4.6.1ThefollowingReactorCoolantSystemleakagedetectionsystemsshallbeOPERABLE:'a~Oneofthecontainmentatmosphereparticulateradioactivitymonitoringchannels(ERS-1301orERS-1401),b.Thecontainment,sumpflowmonitoringsystem,andc~Eitherthecontainmenthumiditymonitoro"oneofthecontainmentatmospheregaseousradioactivitymonitoringchannels(ERS-1305orERS-1405).APPLICABILITY:MODES1,2,3and4.ACTION:WithonlytwooftheaboverequiredleakagedetectionsystemsOPERABLE,operationmaycontinueforupto30daysprovidedgrabsamplesofthecontainmentatmosphereareobtainedandanalyzedatleastonceper24hourswhentherecuiredgaseousand/crparticulateradioactivitymonitoringchannelsareinoperable;otherwise,beinatleastHOTSTANDBYwithinthene'xt6hoursandinCOLDSHUTDOWNwithinthefollowing30hours.SURVEILLANCEREUIREMENTS4.4.6.1TheleakagedetectionsystemsshallbedemonstratedOPERABLEby:'a~Containmentatmosphereparticulateandgaseous(ifbeingused)monitoringsystem-performanceofCHANNELCHECK,CHANNELCALIBRATIONandCHANNELFUNCTIONALTESTatthefrequenciesspecifiedinTable4.3-3,b.Containmentsumpflowmonitoringsystem-performanceofCHANNELCALIBRATIONatleastonceper18months,c~Containmenthumiditymonitor(ifbeingused)-performanceofCHANNELCALIBRATIONatleastonceper18months.D.C.COOK-UNIT13/44-14~AmendmentNo.
ICl1 REACTORCOOLANTSYSTEMThispageintenzicnallyleftblank.D.C.'OOK-UNIT13/44-15AmendmentNo.
ADMINISTRATIVECONTROLSSPECIALREPORTS6.9.2SpecialreportsshallbesubmittedtotheRegionalAdministratorwithinthetimeperiodspecifiedforeachreport.ThesereportsshallbesubmittedcoveringtheactivitiesidentifiedbelowpursuanttotherequirementsoftheapplicablereferenceSpecifications:a~b.c~InserviceInspectionProgramReview,Specification4.4.10.ECCSActuation,Specifications3.5.2and3.5.3.InoperableSeismicMonitoringInstrumentation,Specification3.3.3.3.d.InoperableMeteorologicalMonitoringInstrumentation,Specification3.3.3.4.e.Seismiceventanalysis,Specification4.3.3.3.2.f.SealedSourceleakageinexcessoflimits,Specification4.7.7.1.3.g.FireDetectionInstrumentation,Specification3.3.3.7.h.FireSuppressionSystems,Specifications3.7.9.1,3.7.9.2,3.7.9.3and3.7.9.4.i.ContainmentSumpLevelinstrumentation,Table3.3-11.D.C.COOK-UNIT16-19AmendmentNo.
INSTRUMENTATIONBASES3/4.3.3.7FIREDETECTIONINSTRUMENTATIONOPERABILITYofthef'redetectioninstrumentationensuresthatadequatewarningcapabilityisavailableforthepromptdetectionoffires.Thiscapabilityisrequiredinordertodetectandlocatefiresintheirearlystages.Promptdetectionoffireswillreducethepotentialfordamagetosafetyrelatedequipmentandisanintegralelementintheoverallfacilityfireprotectionprogram.Intheeventthataportionofthefiredetectioninstrumentationisinoperable,theestablishmento'ffrequentfirepatrolsintheaffectedareasisrequiredtoprovidedetectioncapabilityuntiltheinoperableinstrumentationisrestoredtoOPERABILITY.Useofcontainmenttemperaturemonitoringisallowedonceperhourifccntainmentfiredetectionisinoperable.3/4.3.3.8POST-ACCiDENTINSTRUMENTATIONTheOPERABILITYofthepost-accidentinstrumentationensuresthatsufficientinformationisavailableonselectedplantparameterstomonitorandassessthesevariablesduringandfollowinganaccident.ThecontainmentwaterlevelCHANNELCHECKisavisualinspectionofparallelchannelswhichshouldindicatewithinacceptableinstrumentdriftthatthewaterlevelisbelowtherangeoftheccntainmentwaterlevelinstrumentation.Acceptableinstrumentdriftforccntainmentwaterlevelinstrumentationispresentlyconsidered25%offullscale.Thecontainmentsumplevelchannelsshouldindicatethesamelevelonbothchannelswithinacceptableinstrumentdrift,whichispresentlyconsidereda25%offullscaledifferencebetweenthetwoparallelchannels.Ifthechannelsdonotindicatethesamelevel,thecontainmentsumppumpactuationandshut-offcanbeusedtoindicateifeitherchanneliscorrect.Thedriftforbothinstrumentationsystemsisattributedtoairaccumulationinthecapillaries.Providedthatthedriftislessthan25%,itshouldnotpreventtheinstrumentfrcmtrackingchangesinlevel.Equipmentchangesmaychangetheacceptabledrift.SuchachangewillnotconstituteviolationofthisT/S,providedappropriateevidenc'eexiststojustifythechange.D.C.COOK-UNIT1B3/43-4AmendmentNo.
POS-CCIDENTISTRUMENTATIONLIMITINGCONDITIONFOROPERATION3.3.3.8Thepost-accidentmonitoringinstrumentationchannelsshowninTable3.3-11shallbeOPERABLE.APPLICABILITY:MODES1,2,and3.ACTION:WiththenumberofOPERABLEpost-accidentmonitoringchannelslessthanrequiredbyTable3.3-11,eitherrestoretheinoperablechanneltoOPERABLEstatuswithin30days,orbeinHOTSHUTDOWNwithinthenext12hoursexceptwherenotedinTable3.3-11.b.TheprovisionsofSpecifications3.0.4arenotapplicable.SURVEILLANCEREUIREMENTS4.3.3.8Eachpost-accidentmonitoringinstrumentationchannelshallbedemonstratedOPERABLEbyperformanceoftheCHANNELCHECKandCHANNELCALIBRATIONoperationsatthefrequenciesshowninTable4.3-7.D.C.COOK-UNIT13/43-54AmendmentNo.
TABLE3.3-llPOST-ACCIDENTMONITORINGINSTRUMENTATIONINSTRUMENTHINIHUHCHANNELSOPERABLE1.ContainmentPressure2.3.4.ReactorCoolantOutletTemperature-T(WideRange)HOTReactorCoolantInletTemperature-T(WideRange)COLDReactorCoolantPressure-WideRange5.PressurizerWaterLevel6.SteamLinePressure7.SteamGeneratorWaterIevel-Na'rrowRange8.RefuelingWaterStorageTankWaterLevel9.BoricAcidTankSolutionLevel10.AuxiliarFeedwaterFlowRateYll.ReactorCoolantSystemSubcoolingHarginMonitor12.PORVPositionIndicator-LimitSwitches***13.PORVBlockValvePositionIndicator-LimitSwitches14.SafetyValvePositionIndicator-AcousticMonitor15.ContainmentSumpLevel16.ContainmentWaterLevel2/SteamGenerator1/SteamGenerator1/SteamGenerator*1**1/Valve1/Valve1/Valve1¹SteamGeneratorWaterLevelChannelscanbeusedasasubstituteforthecorrespondingauxiliaryfeedwaterflowratechannelinstrument.PRODAC250subcoolingmarginreadoutcanbeusedasasubstituteforthesubcoolingmonitorinstrument.***AcousticmonitoringofPORVposition(1channelperthreeval'ves-headereddischarge)canbeusedasasubstituteforthePORVPositionIndicator-LimitSwitchesinstruments.¹WithlessthantheminimumnumberofchannelsOpERABLErestorethesystemtoOPERABLEstatuswithin30daysorprepareandsubmitaSpecialReporttotheCommissionpursuanttoSpecification6.9.2withinthenext14daysoutliningavailablebackupequipment,thecauseoftheinoperabilityandtheplansandscheduleforrestoring..thesystemtoOPERABLEstatus.
TABLE4.3-7POST-ACCIDENTMONITORINGINSTRUHENTATIONSURVEILLANCEREUIREHENTSINSTRUMENTCHANNELCHECKCHANNELCALIBRATION1.ContainmentPressure2.ReactorCoolantOutletTemperature-T(WideRange)HOT3.,ReactorCoolantInletTemperature-T(WideRange)COLD4.ReactorCoolantPressure-WideRange5.PressurizerWaterLevel6.SteamLinePressure7.SteamGeneratorWaterLevel-NarrowRange8.RWSTWaterLevel9.BoricAcidTankSolutionLevel10.AuxiliaryFeedwaterFlowRate11.ReactorCoolantSystemSubcoolingMarginMonitor12.PORVPositionIndicator-LimitSwitches13.PORVBlockValvePositionIndicator-LimitSwitches14.SafetyValvePositionIndicator-AcousticMonitor15.ContainmentSumpLevel16.ContainmentWaterLevel INSE0POST-CCIDENTINSTRUMENTATIONLIMITIGCODITIONFOROPERATON3.3.3,6Thepost-accidentmonitoringinstrumentationchannelsshowninTable3.3-10shallbeOPERABLE.APPLICABILITY:MODES1,2,and3.~ACTON:WiththenumberofOPERABLEpost-accidentmonitoringchannelslessthanrequiredbyTable3.3-10,eitherrestoretheinoperablechanneltoOPERABLEstatuswithin30days,orbeinHOTSHUTDOWNwithinthenext12hoursexceptwherenotedinTable3.3-10'.TheprovisionsofSpecifications3.0.4arenotapplicable.SURVEILLANCEREUIREMETS4.3.3.6Eachpost-accidentmonitoringinstrumentationchannelshallbedemonstratedOPERABLEbyperformanceoftheCHANNELCHECKandCHANNELCALIBRATIONoperationsatthefrequenciesshowninTable4.3-10.D.C.COOK-UNIT23t43-45AmendmentNo.
TABLE3.3-10POST-ACCIDENTMONITORINGINSTRUMENTATIONINSTRUMENTMINIMUMCHANNELSOPERABLE1.ContainmentPressure2.3.45.ReactorCoolantOutletTemperature-T(WideRange)ReactorCoolantInletTemperature-T(WideRange)ReactorCoolantPressure-WideRangePressurizerWaterLevel'.SteamLinePressure7.SteamGeneratorWaterLevel-NarrowRange8.RefuelingWaterStorageTankWaterLevel9.BoricAcidTankSolutionLevel10.AuxiliaryFeedwaterFlowRate11.ReactorCoolantSystemSubcoolingMarginMonitor12.PORVPositionIndicator-LimitSwitches"-**13.PORVBlockValvePositionIndicator-LimitSwitches14.SafetyValvePositionIndicator-AcousticMonitor15.ContainmentSumpLevel16.ContainmentWaterLevel2/SteamGenerator1/SteamGenerator1/SteamGenerator*1/Valve1/Valve1/Valve*SteamGeneratorWaterLevelChannelscanbeusedasasubstituteforthecorrespondingauxiliaryfeedwaterflowratechannelinstrument..**pRODAC250subcoolingmarginreadoutcanbeusedasasubstituteforthesubcoolingmonitorinstrument.***AcousticmonitoringofPORVposition(1channelperthreevalves-headereddischarge)canbeusedasasubstituteforthePORVPositionIndicator-LimitSwitchesinstruments.WithlessthantheminimumnumberofchannelsOPERABLErestorethesystemtoOPERABLEstatuswithin30daysorprepareandsubmitaSpecialReporttotheCommissionpursuanttoSpecification6.9.2withinthenext14daysoutliningavailablebackupequipment,thecauseoftheinoperabilityandtheplansandscheduleforrestoringthesystemtoOPERABLEstatus.
TABLE4.3-10POST-ACCIDENTHONITORINGINSTRUMENTATIONSURVEILLANCEREUIREHENTSINSTRUMENTCHANNELCHECKCHANNELCALIBRATION1.ContainmentPressure2.3.5."ReactorCoolantOutletTemperature-T(WideRange)HOTReactorCoolantInletTemperature-T(WideRange)COLDReactorCoolantPressure-WideRangePressurizerWaterLevelR6.SteamLinePressure7.SteamGeneratorWaterLevel-NarrowRange0.RWSTWaterLevel9.BoricAcidTankSolutionLevel10.AuxzlzaryFeedwaterFlowRatell.ReactorCoolantSystemSubcoolingMarginMonitor12.PORVPositionIndicator-LimitSwitches13.PORVBlockValve-PositionIndicator-LimitSwitches"14.SafetyValvePositionIndicator-AcousticMonitor15.ContainmentSumpLevel16.ContainmentWaterLevel*TheprovisionsofSpecification4.0.6areapplicable.
REACTORCOOLANTSYSTEM3/4.4.6REACTORCOOLANTSYSTEMLEAKAGELEAKAGEDETECTIONSYSTEMSLIMITINGCONDITIONFOROPERATION3.4.6.1"ThefollowingFeactorCoolantSystemleakagedetectionsystemsshallbeOPERABLE:a.Oneofthecontainmentatmosphereparticulateradioactivitymonitoringchannels(ERS-2301orERS-2401),b.Thecontainmentsumpflowmonitoringsystem,andc.Eitherthecontainmenthumiditymonitororoneofthecontainmentatmospheregaseousradioactivitymonitoringchannels~(ERS-2305orERS-2405).APPLICABILITY:MODES1,2,3and4.ACTXON:WithonlytwooftheabcverecuiredleakagedetectionsystemsOPERABLE,operationmaycontinueforuptc30daysprovidedcrabsamplesofthecontainmentatmosphereaeobtainedandanalyzedatleastonceper24hourswhentherequiredgasecusand/crparticulateradioactivitymonitoringchannelsareinoperable;otherwise,beinatleastHOTSTANDBYwithinthenext6hoursandinCOLDSHUTDOWNwithinthefollowing30hours.SURVEILLANCEREUIREMENTS4.4.6.1TheleakagedetectionsystemsshallbedemonstratedOPERABLEby:a~Containmentatmosphereparticulateandgaseous(ifbeingused)monitoringsystem-performanceofCHANNELCHECK,CHANNELCALIBRATIONandCHANNELFUNCTIONALTESTatthefrequenciesspecifiedinTable4.3-3,b.Containmentsumpflowmonitoringsystem-performanceofCHANNELCALIBRATIONatleastonceper18months,*C~Containmenthumiditymonitor(ifbeingused)-performanceofCHANNELCALIBRATIONatleastonceper18months.*TheprovisionsofSpecification4.0.6areapplicable.D.C.COOK-UNIT23/44-14AmendmentNo.
ADMINISTRATIVECONTROLSSPECIALREPORTS6.9.2SpecialreportsshallbesubmittedtotheRegionalAdministratorwithinthetimeperiodspecifiedforeachreport.Thesereportsshallbesubmittedcoveringtheactivitiesidentifiedbelowpursuanttotherequirementsoftheapplicablereferencespecification:a0ECCSActuation,Specifications3.5.2and3,5.3.b.InoperableSeismicMonitoringInstrumentation,UnitNo.1,Specification3.3.3.3.c~InoperableMeteorologicalMonitoringInstrumentation,UnitNo.1,Specification3.3.3.4.d.FireDetectionInstrumentation,Specification3.3.3.8.e.FireSuppressionSystems,Specifications,3.7.9.1,3.7.9.2,3.7.9.3and3.7.9.4.SeismicEventAnalysis,Specification4.3.3.3.2.g.SealedSourceleakageinexcessoflimits,Specification4.7.8.1.3.h.ContainmentSumpLevelinstrumentation,Table3.3-10.D.C.COOK-UNIT26-19AmendmentNo.
13/4~3INSTRUMENTATZBASES3/4.3>3~2MOVABLEZNCOREDETECTORSTheOPERABILITYofthemovableincoredetectorswiththespecifiedminimumcomplementofequipmentensuresthatthemeasurementsobtainedforuseofthissystemaccuratelyrepresentthespatialneutronfluxdistributionofthereactorcore.TheOPERABILITYofthissystemisdemonstratedbyirradiatingeachdetectorusedandnormalizingitsrespectiveoutput.3/4.3.3.3SEISMICINSTRUMENTATIONTheOPERABILITYoftheseismicinstrumentationensuresthatsufficientcapabilityisavailabletopromptlydeterminethemagnitudeofaseismicevent,andevaluatetheresponseofthosefeaturesimportanttosafety.Thiscapabilityisrequiredtopermitcomparisonofthemeasuredresponsetothatusedinthedesignbasisforthefacility.3/4.3.3.4METEOROLOGICALINSTRUMENTATIONTheOPERABILITYofthemeteorologicalinstrumentationensuresthatsufficientmeteorologicaldataisavailableforestimatingpotentialradiationdosestothepublicasaresultofroutineoraccidentalreleaseofradioactivematerialstotheatmosphere.Thiscapabilityisrequiredtoevaluatetheneedforinitiatingprotectivemeasurestoprotectthehealthandsafetyofthepublic.3/4.3.3.5REMOTESHUTDOWNINSTRUMENTATZONTheOPERABILITYoftheremote'hutdowninstrumentationensuresthatsufficientcapabilityisavailabletopermitshutdownandmaintenanceofHOTSTANDBYofthefacilityfromlocationsoutsideofthecontrolroom.ThiscapabilityisrequiredintheeventcontrolroomhabitabilityislostandisconsistentwithGeneralDesignCriteria19of10CFR50.3/4.3.3.6POST-ACCIDENTINSTRUMENTATIONTheOPERABILITYofthepost-accidentinstrumentationensuresthatsufficientinformationisavailableonselectedplantparameterstomonitorandassessthesevariablesduringandfollowinganaccident.ThecontainmentwaterlevelCHANNELCHECKisavisualinspectionofparallelchannelswhichshouldindicatewithinacceptableinstrumentdriftthatthewaterlevelisbelowtherangeofthecontainmentwaterlevelinstrumentation.Acceptableinstrumentdriftforcontainmentwaterlevelinstrumentationispresentlyconsidered25%offullscale.Thecontainmentsumplevelchannelsshouldindicatethesamelevelonbothchannelswithinacceptableinstrumentdrift,whichispresentlyconsidereda25%offullscaledifferencebetweenthetwoparallelchannels.Ifthechannelsdonotindicatethesamelevel,thecontainmentsumppumpactuationandshut-offcanbeusedtoindicateifeitherchanneliscorrect.D.C.COOK-UNIT2B3/43-2AmendmentNo.
3/4.3INSTRUMENTATIONBASESThedriftforbothinstrumentationsystemsisattributedtoairaccumulationinthecapillaries.Providedthatthedriftislessthan25%,itshouldnotpreventtheinstumentromtrackingchangesinlevel.Equipmentchangesmaychangetheacceptabledrift.SuchachangewillnotconstituteaviolationofthisT/S,prov'dedappropriateevidenceexiststojustifythechange.3/4.3.3.7AXIALPOWERDISTRIBUTIONMONITORINGSYSTEM(APDMS)OPERABILITYoftheAPDMSensuesthatsufficientcapabilityisavailableforthemeasurementoftheneutronfluxspatialdistributionwithinthereactorcore.Thiscapabilityisrequiredto1)monitorthecorefluxpatternsthatarerepresentativeofthepeakcorepowerdensityand2)limitthecoreaverageaxialpowerprofilesuchthat~thetotalpowerpeakingfactorFismaintainedwithinacceptablelimits.3/4.3.3.8FIREDETECTIONZNSTRUMENTATZONOPERABILITYofthefiredetectioninstrumentationensuresthatadequatewarningcapabilityisavailableforthepromptdetectionoffires.Thiscapabilityisrequiredinordertodetectandlocatefiresintheirearlystages.Promptdetectionoff'reswillreducethepotentialfordamagetosafety-relatedequipmentandisanintegralelementintheoverallfacilityfireprotectionprogram.Zntheeventthataportionofthefiredetectioninstrumentationisinoperable,theestablishmentoffrequentfirepatrolsintheaffectedareasisrequiredtoprovidedetectioncapabilityuntiltheinoperableinstrumentationisrestoredtcOPERABILITY.Useofcontainmenttemperaturemonitoringisallowedonceperhourifcontainmentfiredetectionisinoperable.3/4.3.3.9PADIOACTIVELZUZDEFFLUENTINSTRUMENTATIONTheradioactiveliquideffluentinstrumentationisprovidedtomonitorandcontrol,asapplicable,thereleasesofradioactivematerialsinliquideffluentsduringactualorpotentialreleases.Thealarm/tripsetpointsfortheseinstrumentsshallbecalculatedinaccordancewithNRCapprovedmethodsintheODCMtoensurethatthealarm/tripwilloccurpriortoexceedingthelimitsof10CFRPart20.TheOPERABILITYanduseofthisinstrumentationisconsistentwiththerequirementsofGeneralDesignCriteriaspecifiedinSection11.3oftheFinalSafetyAnalysisReportfortheDonaldC.CookNuclearPlant.3/4.3.3.10RADIOACTIVEGASEOUSEFFLUENTINSTRUMENTATIONTheradioactivegaseouseffluentinstrumentationisprovidedtomonitorandcontrol,asapplicable,thereleasesofradioactivematerialsingaseouseffluentsduringactualorpotentialreleases.Thealarm/tripsetpointsfortheseinstrumentsshallbecalculatedinaccordancewithNRCapprovedmethodsD.C.COOK-UNIT2B3/43-3AmendmentNo.
1I~~~~3/4.3INSTRUMENTATIONBASESintheODCMtoensurethatthealarm/tripwilloccurpriortoexceedingthelimitsof10CFRPart20.Thisinstrumentationalsoincludesprovisionsformonitoringtheconcentrationsofpotentiallyexplosivegasmixturesinthewastegasholdupsystem.TheOPERABILITYanduseofthisinstrumentationisconsistentwiththerequirementsofGeneralDesignCriteriaspecifiedin'ection11.3ofthe'FinalSafetyAnalysisReportfortheDonaldC.CookNuclearPlant.3/4.3.4TURBINEOVERSPEEDPROTECTIONThisspecificationisprovidedtoensurethattheturbineoverspeedprotectioninstrumentationandtheturbinespeedcontrolvalvesareOPERABLEandwillprotecttheturbineromexcessiveoverspeed.Protectionfromturbineexcessiveoverspeedisrequiredsinceexcessiveoverspeedoftheturbinecouldgeneratepotentiallydamagingmissileswhichcouldimpactanddamagesafetyrelatedcomponents,equipmentorstructures.D.C.COOK-Unit2B3/43-4AmendmentNo.
u~~(3~QorloinystlllfDIANA&NICH~GAIVElECTBICCOFORTWAYNE,INDIANAAMOUNTcHEcKNo.083~0273DATE03248bSl50.004~lnfullseNIementofstatementaccompenytngthischeUSNUCLEARREGULATORYCOMMISSIONTotheWASHINGTONDC20555Orderof25b43024DISBURSEMENTACCOUNTLINCOLNNATIONALBANKANDTRUSTCOMPANY,FORTWAYNE,INDIANAII'029LI3II.07t900275I:I3S75205ll'EMITTANCEADVICE-DETACHBEFOREDEPOSITINGINDIANALMICHIGANELECTRICCO.P.O.BOX60FORTWAYNE,INDIANA46801cHEGKNo.0630273OURREFERENCEDATE036030'I602-2b-86DATE03248bVENDORSREFERENCE,AEPNRCor5'I2pfAMOUNTGROSS15000$15000DEDUCTTRY32REV.I86EXPLANATIONCD-CASHDISCOUNTRT-RETAINEDPRPRIORPAYMENTOFDEDUCTIONSTR-TRANSPORTATIONTXTAXWITHHELDAJADJUSTMENT Attachment3toAEP:NRC:0856TRegulatoryGuide1.97,Rev.3,PertinentSections
~O'">>U.S.NUCLIRREGULATORYCOMMI88lot!RELATRY0FRCEOFNUCLEARREGULATORYRESEARCHResea~aa'D-REGULATORYGUIDE'l.97INSTRUMENTATIONFORLIGHT-WATEROOLEDNUCLEARPOWERPLANTSTOASSESSPLANTANDENVIRONSCONDITIONSDURINGANDFOLLOWINGANACCIDENTA.INTROOUCTIONB.OISCUSSIONCriterion13,"InstrumentationandControl,"ofAppen-dixA,"GeneralDesignCriteriaforNuclearPowerPlants,"to10CFRPart50,"DomesticLicensingofProductionandUtilizationFacilities,"includesarequirementthatinstru-mentationbeprovidedtomonitorvariablesandsystemsovertheiranticipatedrangesforaccidentconditionsasappropriatetoensureadequatesafety.Criterion19,"ControlRoofn,"ofAppendixAto10CFRPart50includesarequirementthatacontrolroombepro-,videdfromwhichactionscanbetakentomaintainthenuclearpowerunitinasafeconditionunderaccidentconditions,includinglosswfwoolantaccidents,andthatequipment,includingthenecessaryinstrumentation,atappropri'atelocationsoutsidethecontrolroombe.providedwithadesigncapabilityforprompthotshutdownofthereactor.Criterion64,"MonitoringRadioactivityReleases,"ofAppendixAto10CFRPart50includesarequirementthatmeansbeprovidedformonitoringthereactorcontainmentatmosphere,spacescontainingcomponentsforrecirculationoflo~fwoolantaccidentfluid,effluentdischargepaths,andtheplantenvironsforradioactivitythatmaybereleasedfrompostulatedaccidents.Indicationsofplantvariablesarerequiredbythecontrolroomoperatingpersonnelduringaccidentsituationsto(1)provideinformationrequiredtopermittheoperatortotakepreplannedmanualactionstoaccomplishsafeplantshut-down;(2)determinewhetherthereactortrip,engineered-safety-featuresystems,andmanuallyinitiatedsafetysystemsandothersystemsimportanttosafetyareperformingtheirintendedfunctions(i.ereactivitycontrol,core.cooling,maintainingreactorcoolantsystemintegrity,andmaintainingcontainmentintegrity);and(3)provideinforma-tiontotheoperatorsthatwillenablethemtodeterminethepotentialforcausingagrossbreachofthebarrierstoradioactivityrelease(i.e.,fuelchdding,reactorcoohntpressureboundary,andcontainment)andtodetermineifagrossbreachofabarrierhasoccurred.Inadditiontotheabove,indicationsofplantvariablesthatprovideinforma-tiononoperationofplantsafetysystemsandothersystemsimportanttosafetyarerequiredbythecontrolroomoperatingpersonnelduringanaccidentto(I)furnishdataregardingtheoperationofplantsystemsinorderthattheoperatorcanmakeappropriatedecisionsastotheiruseand(2)provideinformationregardingthereleaseofradioactivematerialstoallowforearlyindicationoftheneedtoinitiateactionnecessarytoprotectthepublicandforanestimateofthemagnitudeofanyimpendingthreat.ThisguidedescribesamethodacceptabletotheNRCstaffforcomplyingwiththeCommission'sregulationstoprovideinstrumentationtomonitorplantvariablesandsystemsduringandfollowinganaccidentinalight-water-coolednuclearpowerplant.'IheAdvisoryCommitteeonReactorSafeguardshasbeenconsultedconcerningthisguideandhasconcurredintheregulatoryposition.AnyguidanceinthisdocumentrelatedtoinformationcollectionactivitieshasbeenclearedunderOMBClearanceNo.31504011.Atthestartofanaccident,itmaybedifficultfortheoperatortodetermineimmediatelywhataccidenthasoccurredorisoccurringandthereforetodeterminetheappropriateresponse,Forthisreason,reactortripandcertainothersafetyactions(e.g.,emergencycorecoolingactuation,containmentisolation,ordepressurization)havebeendesignedtobeperformedautomaticallyduringtheinitialstagesofanaccident.Instrumentationisalsoprovidedtoindicateinformationaboutphntvariablesrequiredtoenabletheoperationofmanuallyinitiatedsafetysystemsandotherappropriateoperatoractionsinvolvingsystemsimportanttosafety.USNRCREGULATORYGUIDESRagulataryGuidesaceIssuedtodescribeandmakeavailabletothepubliccnethodsacceptabletotheNRcstaffofImplementingspeclflcpartsoftheCommlsslon'sregulations,todelineatetach-nlouasusedbythestaffInevaluatingspeclflcproblemsorpostu-latedaccidents,ortoprovideguidancetoapplicants.RegulatoryGuidessrenocsubstitutesforregulations,andcompliancewiththemIsnotrequired.MethodsandsolutionsdifferentfromthosesatoutIntheguideswillbeacceptableIftheyprovideabasisforthaflndlngsraaulsltetothoIssuanceorcontinuanceofapermitorlicensebytheCommlsslon.ThisguidewasIssuedafterconslderatlonofcommentsreceivedfcomthepublic.CocnmentssndsuggestionsforImprovementsIntheseguidesare'ncouragedatalltimes,andguideswillberevised,asappropriate,toaccommodatecommentsandtoreflectnewInforma-tionoreccpecloncs.CommentsshouldbesenttotheSecretaryofthsCommlsslor.U.S.NuclearRegulatoryCommlsslonhWashington,O.C.20555,,AttantloncDocketingandServiceBranch.TheguidessraIssuedinthefollowingtenbroaddlvlslonsc1.PowerReactors6.Products2,ResearchandTestReactors7.Transportation3.FuelssndMaterialsFacllltles8.OccupationalHealth4.EnvironmentalandSltlngg.AntitrustandFlnanclalReview5.MaterialsandPlantProtection10.GeneralCopiesofIssuedguidesmaybopurchasedstthecurrentGovernmentpclntlngofficeprice.AsubscctptlonserviceforfuturoguidesInspo.elflcdlvlslonsIsavallablsthroughthoGovernmentprlntlngOffice.InformationonthesubscrlptlansocvlceandcurrentGpopricesmaybeobtainedbywrltlngthoU.s.NuclearRegulatorycommlsslon,washington,D.c.20555,AttontloncpubllcatlonssalesManager.
I~in1II+I TABLE1DESIGNANDQUALIFICATIONCRlTERlAFORINSTRUNIENTATIONCategory1l.EquipmentQualificationTheinstrumentationshouldbequaliTiedinaccordancewithRegulatoryGuide1.89,"QualificationofClasslEEquipmentforNuclearPowerPlants,"andthemethod-ologydescribedinNUREG4588,"InterimStaffPosi-tiononEnvironmentalQualificationofSafety-RelatedElectricalEquipment."Category21.EquipmentQualificationSameasCategory1Category3l.EquipmentQualificationNospecificprovisionInstrumentationwhoserangesarerequiredtoextendbeyondthoserangescalculatedinthemostseveredesign.basisaccidenteventforagivenvariableshouldbequali-fiedusingtheguidanceprovidedinparagraph6.3.6ofANSI'.5.SameasCat<<g>>ry1Nosp<<<<ilicpn)vis')onQualificationappliestothecompleteinstrumentationchannelfromsensortodisplaywherethedisplayisadirect-indicatingmeterorrecordingdevice.Iftheinstru-mentationchannelsignalistobeusedinacomputer-baseddisplay,recording,ordiagnosticprogram,qualifi-cationappliesfromthesensoruptoandincludingthechannelisolationdevice.SameasCategory1Nospccifi<<provisionTheseismicportionofqualificationshouldbeinaccor-dancewithRegulatoryGuide1.100,"SeismicQualifica-tionofElectricEquipmentforNuclearPowerPlants."Instrumentationshouldcontinuetoreadwithintherequiredaccuracyfollowing,butnotnecessarilyduring,asafeshutdownearthquake.Nospecil'i<<provisi>>nNospecilicprovision2.RedundancyNosinglefailurewithineithertheaccident-monitoringinstrumentation,itsauxiliarysupportingfeatures,oritspowersourcesconcurrentwiththefailuresthatare2.RedundancyNospecificprovision2.RedundancyNospecificprovision4CoploaaroavallablafromtheNRC/GPOSataaProgram,US.NuclearRegulatoryCommlraion,Waahlnaton,D.C.20555.
2.(Continued)Category1TABLE1(Continued)Category2Category3aconditionorresultofaspeciTicaccidentshouldpreventtheoperatorsfrombeingpresentedtheinforma-tionnecessaryforthemtodeterminethesafetystatusoftheplantandtobringtheplanttoandmaintainitinasafeconditionfollowingthataccident.Wherefailureofoneaccident-monitoringchannelresultsininforma-tionambiguity(thatis,theredundantdisplaysdisagree)thatcouldleadoperatorstodefeatorfailtoaccomplisharequiredsafetyfunction,additionalinformationshouldbeprovidedtoallowtheoperatorstodeducetheactualconditionsintheplant.Thismaybcaccomplishedbyprovidingadditionalindependentclrannelsofinformationofthesamevariable(additionofanidenticalchannel)orbyprovidinganindependentchanneltomonitoradifferentvariablethatbearsaknownrelationshiptothemultiplechannels(additionofadiversechannel).Redun-dantordiversechannelsshouldbeelectricallyindepend-entandphysicaHyseparatedfromeachotherandfromequipmentnotclassifiedimportanttosafetyinaccor-dancewithRegulatoryGuide1.75,"Ph'ysicalIndepend-enceofElectricSystems,"uptoand'includinganyisola-!tiondevice.Withineachredundantdivisionofasafetysysteni,redundantmonitoringchannelsarenotneededexceptforsteamgeneratorlevelinstrumentationintwo-loopplants.3.PowerSource3.PowerSource3.PowerSourceTheinstrumentationshouldbeenergizedfromstationstandbypowersourcesasprovidedinRegulatoryGuide1.32,"CriteriaforSafety-RelatedElectricPowerSystemsforNuclearPowerPlants,"andshouldbebackedupbybatterieswheremomentaryinterruptionisnottolerable.Theinstrumentationshouldbeenergizedfromahigh-reliabilitypowersource,notnecessarilystandbypower,andshouldbebackedupbybatterieswheremomentaryinterruptionisnottolerable.Nospecificprovision Category1TABLE1(Continued)Category2Category34.ChannelAvailabilityTheinstrumentationchannelshouldbeavailablepriorto!anaccidentexceptasprovidedinparagraph4.11,"Excep-tion,"asdefinedinIEEEStd279-1971,"CriteriaforPro-tectionSystemsforNuclearPowerGeneratingStations,"orasspecifiedinthetechnicalspecifications.4.ChannelAvailabilityTheout-of-serviceintervalshouldbebasedonnormaltechnicalspecificationrequirementsonoutofserviceforthesystemitserveswhereapplicableorwherespecifiedbyotherrequirements.4.ChannelAvailabilityNospecificprovision5.QualityAssuranceRegulatoryGuide1.28"QualityAssurancePrograinRequirements(DesignandConstruction)"RegulatoryGuide1.30(SafetyGuide30)"QualityAssuranceRequire-mentsfortheinstallation,Inspection,andTestingofInstrumentationandElectricEquipment"TherecommendationsofthefollowingregulatoryguidespertainingtoqualityassuranceshouldbefoUowed:5.QualityAssuranceSameasCategorylas>>>odili<<dbyth<<following:Sincesomeinstru>nentatio<<islessii>>purta>>ttosafetythanotherinstrumentation,itmaynotbenecessarytoapplythesamequalityassurancemeasurestoallinstrumentation.Thequalityassur-ancerequirementsthatareimplementedshouldprovidecontroloveractivitiesaffectingqualitytoanextentconsistentwiththeimportancetosafetyoftheinstrumentation.Theserequirementsshouldbedeterminedanddocumentedbypersonnelknowl-edgeableintheenduseoftheinstrumentation.5.QualityAssurancel1>ei>>stru>>>e>>Iationeliou1dbeoflugh-qualityco>>>>>i<<rcialgra>leandshouldbeselectedtowithsta>>dthest>ecitiedserviceenvironment.RegulatoryGuide1.38"QualityAssuranceRequire-mentsforPackaging,Shipping,Receiving,Storage,andHan-dlingofItemsforWater-CooledNuclearPowerPlants"RegulatoryGuide1.58"QualificationofNuclearPowerPlantInspection,Examination,andTestingPersonnel"RegulatoryGuide1.64"QualityAssuranceRequire-mentsfortheDesignofNuclearPowerPlants"RegulatoryGuide1.74"QualityAssuranceTermsandDefinitions" 5.(Continued)Category1TABLE1(Continued)Category2Category3RegulatoryGuide1.88"Collection,Storage,andhfain-tenanceofNuclearPowerPlantQualityAssuranceRecords"RegulatoryGuide1.123"QualityAssuranceRequire-mentsforControlofProcure-mentofItemsandServicesforNuclearPowerPlants"RegulatoryGuide1.144"AuditingofQualityAssuranceProgramsforNuclearPowerPlants"IOORegulatoryGuide1.146"QualificationofQualityAssur-anceProgramAuditPersonnelforNuclearPowerPlants"Referencetotheaboveregulatoryguides(exceptRegula-toryGuides1.30and1.38)isbeingmadependingissuanceofarevisiontoRegulatoryGuide1.28thatisunderdevel-opment(TaskRS002-5)andthatwillendorseANSI/AShIENQA-I-1979,"QualityAssuranceProgramRequirementsforNudearPowerPlants."6.DisplayandRecordingContinuousreal-timedisplayshouldbeprovided.Theindicationmaybeonadial,digitaldisplay,CRT,orstripchartrecorder.Recordingofinstrumentationreadoutinformationshouldbeprovidedforatleastoneredundantchannel.6.DisplayandRecordingTheinstrumentationsignalmaybedisplayedonanindividualinstrumentoritmaybeprocessedfordisplayondemand.Signalsfromeffluentradioactivitymonitorsandareamonitorsshouldberecorded.6.DisplayandRecordingSameasCategory2Signalsfromeffluentradioactivitymonitors,areamonitors,andmeteorologymonitorsshouldberecorded.5QopteamayheobtainedfromtheAmericanSocietyofMechanicalEngineers,345East47thStreet,NewYork,NewYo<<teet7.
TABLE1(Continued)Category2Category36.(Continued)Ifdirectandimmediatetrendortransientinformationisessentialforoperatorinformationoraction,therecordingshouldbecontinuouslyavaBableonredun-dantdedicatedrecorders.Otherwise,itmaybecon-tinuouslyupdated,storedincomputermemory,anddisplayedondemand.Intermittentdisplayssuchasdataloggersandscanningrecordersmaybeusedifnosignificanttransientresponseinformationislikelytobelostbysuchdevices.SameasCategory1SameasCategory17.RangeIftwoormoreinstrumentsareneededtocoveraparticularrange,overlappingofinstrumentspanshouldbeprovided.Iftherequiredrangeofmoni-toringinstrumentationresultsinalossofinstru-mentationsensitivityinthenormaloperatingrange,separateinstrumentsshouldbeused.7.RangeSalileasCategoryl7.ltaugeSeineasCategory18.EquipmentIdentificationTypesA,B,andCinstrumentsdesignatedasCate-gories1and2shouldbespecificallyidentifiedwithacommondesignationonthecontrolpanelssothattheoperatorcaneasilydiscernthattheyareintendedforuseunderaccidentconditions.8.EquipmentIdentificationSameasCategory18.EquipmentIdentificationNospecificprovision9.InterfacesThetransmissionofsignalsforotheruseshouldbethroughisolationdevicesthataredesignatedaspartofthemonitoringinstrumentationandthatmeettheprovisionsofthisdocument.10.Servicing,Testing,andCalibrationServicing,testing,andcalibrationprogramsshouldbespecifiedtomaintainthecapabilityofthemonitoringinstrumentation.Iftherequiredintervalbetween9.InterfacesSameasCategoryI10.Servicing,Testing,andCalibrationSameasCategory19.InterfacesNospecificprovision10.Servicing,Testing,andCalibrationSameasCategoryI 10.(Continued)Category1TABLE1(Continued)Category2testingislessthanthenormaltimeintervalbetweenplantshutdowns,acapabilityfortestingduringpoweroperationshouldbeprovided.Whenevermeansforremovingchannelsfromserviceareincludedinthedesign,thedesignshouldfacilitateadministrativecontroloftheaccesstosuchremovalmeans.SameasCategory1SameasCategory1Thedesignshouldfacilitateadministrativecontroloftheaccesstoallsetpointadjustments,modulecalibra-tionadjustments,andtestpoints.SameasCategory1SallleasCategory1Periodicchecking,testing,calibration,andcalibrationverificationshouldbeinaccordancewiththeapplicableportionsofRegulatoryGuide1.118,"PeriodicTestingofElectricPowerandProtectionSystems,"pertainingtotestingofinstrumentchannels.(Note:Responsetimetestingnotusuallyneeded.)SameasCategoryISameasCategory1Thelocationoftheisolationdeviceshouldbesuchthatitwouldbeaccessibleformaintenanceduringaccidentconditions.SameasCategory1Nospecificprovision11.HumanFactorsTheinstrumentationshouldbedesignedtofacilitatetherecognition,location,replacement,repair,oradjustmentofmalfunctioningcomponentsormodules.11.HumanFactorsSameasCategory111.HumanFactorsSameasCategory1Themonitoringinstrumentationdesignshouldminimizethedevelopmentofconditionsthatwouldcausemeters,annunciators,recorders,alarms,etc.,togiveanomalousindicationspotentiallyconfusingtotheoperator.Humanfactorsanalysisshouldbeusedindeterminingtypeandlocationofdisplays.SameasCategory1SameasCategory1 11.(Continued)Category1TABLE1(Continued)Category2Category3'ITotheextentpracticable,thesameinstrumentsshouldbeusedforaccidentmonitoringasareusedforthenormaloperationsoftheplanttoenabletheoperatorstouse,duringaccidentsituations,instrumentswithwhichtheyaremostfamiliar.SameasCategoryISameasCategory112.DirectMeasurementTotheextentpracticable,monitoringinstrumentationinputsshouldbefromsensorsthatdirectlymeasurethedesiredvariables.Anindirectmeasurementshouldbemadeonlywhenitcanbeshownbyanalysistoprovideunambiguousinformation.12.DirectMeasurementSameasCategoryl12.DirectMeasurementSameasCaltcgofyl TABLE3PWRVARIABLESTYPEAVariables:thosevariablestobemonitoredthatprovidetheprimaryinformationrequiredtopermitthecontrolroomoperatortotakespecificmanuallycontrolledactionsforwhichnoautomaticcontrolisprovidedandthatarerequiredforsafetysystemstoaccomplishtheirsafetyfunctionsfordesignbasisaccidentevents.Primaryinformationisinforma-tionthatisessentialforthedirectaccomplishmentofthespecifiedsafetyfunctions;itdoesnotincludethosevariablesthatareassociatedwithcontingencyactionsthatmayalsobeidentifiedinwrittenprocedures.AvariableincludedasTypeAdoesnotprecludeitfrombeingincludedasTypeB,C,D,orEorviceversa.VariablePlantspecificRangePlantspecificCategory(seeRegulatoryPosition1.4andTable1)InformationrequiredforoperatoractionTYPEBVariables:thosevariablesthatprovideinformationtoindicatewhetherplantsafetyfunctionsarebeingaccomplished.Plantsafetyfunctionsare(I)reactivitycontrol,(2)corecooling,(3)maintainingreactorcoolantsystemintegrity,and(4)maintainingcontainmentintegrity(includingradioactiveeffluentcontrol).Variablesarelistedwithdesignatedrangesandcategoryfordesignandqualificationrequirements.KeyvariablesareindicatedbydesignandqualiTicationCategoryl.ReactivityControlNeutronFlux10%to1007ofullpowerFunctiondetection;accomplishmentofmitigationControlRodPositionRCSSolubleBoronConcen-trationFullinornotfullin0to6000ppmVerificationVerificationRCSColdLegWaterTemper-ature50Fto400FVeriTicationCoreCoolingRCSHotLegWaterTemper-ature50Fto700FFunctiondetection;accomplishmentofmitigation;verification;long-termsurveillanceRCPColdLegWaterTemper-50Fto700FaturerFunctiondetection;accomplishmentofmitigation;veriTication;long-termsurveillanceRCSPressure0to3000psig(4000psigforCEplants)200Fto2300F1233Functiondetection;accomplishmentofmitigation;veriTication;long-termsurveillanceVeriTicationIWhereavariabioislistedformorathanonepurpose,theinstrumentationraqulrarnantsmayboIntegratedandonlyonomaasuramontprovided.2ThemaxhnumvaluemayberavisadupwardtosatisfyATWSroquiramants.3InstrumentationthatIsapartofthellnalICCdatactlonsystomshouldmeetthedesignroqulramontsspadflodlnItamILF.2ofNUREG<737.(NthanTypoKtharmocouptasbacomopartofthosystam,thayaroconsidaradtomoottheraqulromants.Howovar,thoromaindarofthodatactionsystemthatisoutsidothereactorvassalshouldmootthoraqulromantsspadflod.)1.97-22 TABLE3(Continued)RangeCategory(seeRegulatoryPosition1.4andTable1)TYPEC(Continued)FuelCladding(Continued)RadioactivityConcentrationorRadiationLevelinCirculatingPrimaryCoolantAnalysisofPrimaryCoohnt(GammaSpectrum)1/2TechSpeclimitio100timesTechSpeclimit10pCi/mlto10Ci/mlorTID-14844sourcetermincoolantvolume36DetectionofbreachDetailanalysis;accomplishmentofmitigation;veriTication;long-termsurveillanceReactorCoolantPressureBoundaryRCSPressureIContainmentPressurel0to3000psig(4000psigforCEplants)-5psigtodesignpressure4(-10psigforsubatmosphericcontainments)12Detectionofpotentialfororactualbreach;accomplishmentofmitiga-tion;long-termsurveillanceDetectionofbreach;accomplishmentofmitigation;verification;long<ermsurveillanceContainmentSumpWaterLeveliNarrowrangetoptobottom(sump),widerange(plantspecific)Detectionofbreach;accomplishmentofmitigation;verification;long-termsurveillanceEffluentRadioactivity-NobleGasEffluentfromCondenserAirRemovalSystemExhaust10pCi%cto10pCi%cContainmentAreaRadiation1R/hrto10R/hr37,839Detectionofbreach;verificationDetectionofbreach;verificationContainmentRCSPressureI0to3000psig(4000psigforCEplants)Detectionofpotentialforbreach;accomplishmentofmitigationSampUngormonitoringofradioactiveUquidsandgasesshouldbeperformedinamannerthatensuresptocutementoftepesentativesamoles.ForeasesthecriteriaofANSIN13.1.1969,"G>>udetoSamplingAitbotnoRadioactiveMaterialsinNuclearFacUiiies>'houldbeappQed.Forllquih,provisionsshouldbemadeforsamplingfromwell.mixedturbulentzones,andsamplinglinesshouldbede>>dgnedtomlnl-nJoplateoutordeposition.Forsafeandconvenientsampgng,theprovisionsshouldindude:a.ShieldingtomaintainradiationdosesALARA,b.SamplecontainerswithcontalnetmmpUngportconneciotcompatibility,c.Capabigiyofsamplingunderprimarysystempressureandnegativepressures,d.HandUngandtransportcapability,ande.Prearrangementforanalysisandmietpteiailon.7Mlnhnumofiwomonitorsatwidelyseparatedlocations.8Detectorsshouldrespondiogammaradiationphoionswithinanyenergyrangeftom60koVto3MoVwithadosetatoresponseaccuracywithinafactorof2overtheeniitorange.9MonitorsshouldbecapableofdetecdngandmeasuringgaseouseffluentradioactivitywithcompositionstanyngfromfreshequlUbtlutnnoblegasladonProductmixturesioiordayroldmixtures,withoverallsystemaccuracies,withinafactorof2.Effluentradioactivitymaybo<<p<<ssodlntermsofconcentrationsofXe-133equivalents,intermsofconcentrationsofanynoblegasnucUdes,orintermsofintegratednaMeVpetunItthno.Itisnotexpectediha!asinglemonitoringdevicewillhavesuNcienttangotoencompasstheoafltetangoprovidedthisregulatoryguideandthatmulilolocomponentsorsystemswillbeneeded.Existingequlpmoatmaybeusedtomonitoranyportionofihstatedtangowitidntheequipmentdesignrating.r1.97-24 Attachment4toAEP:NRC:0856TReasonsand10CFR50.92AnalysisforChangetotheDonaldC..CookNuclearPlantUnitNos.1and2TechnicalSpecifications Illr~~\Attachment4toA:NRC:0856TPage1ContainmentWaterLevelMonitorIIF1.5TheguidancegiveninGenericLetterNo.83-37statesthat:~"AcontinuousindicationofcontainmentwaterlevelshouldbeprovidedinthecontrolroomofeachreactorduringPowerOperation,StartupandHotStandbymodesofoperation.Atleastonechannelfornarrowrangeandtwochannelsforwiderangeinstrumentsshouldbeoperableatalltimeswhenthereactorisoperatinginanyoftheabovemodes.Narrowrangeinstrumentsshouldcovertherangefrombottomtothetopofthecontainmentsump.Widerangeinstrumentsshouldcovertherangefromthebottomofthecontainmenttotheelevationequivalenttoa600,000gallon(orlessifjustified)capacity."TechnicalSpecificationsforcontainmentwaterlevelmonitorsshouldbeincludedwithotheraccidentmonitoringinstrumentationinthepresentTechnicalSpecifications.LCOs(includingtherequiredActions)forwiderangemonitorsshouldincludetherequirementthattheinoperablechannelwillberestoredtooperablestatuswithin30daysortheplantwillbebroughttoHotShutdownconditionasrequiredforotheraccidentmonitoringinstrumentation.TypicalacceptableLCOandsurveillancerequirementsforaccidentmonitoringinstrumentationareincludedinEnclosure3."kWeareproposingthatT/STables3.3-11and3.3-10forUnits1and2,respectively,berevisedtoincludetherequirementthatatleasttwocontainmentwaterlevelchannelsandonecontainmentsumplevelchannelbeoperableduringModes1,2,and3.Inaddition,weareproposingthatT/STables4.3-7and4.3-10forUnits1and2,respectively,berevisedtoincludethesurveillancerequirementsforthesechannels.Inordertofollowtheaboveguidance,andmaintaininternalconsistencywithourcurrentTechnicalSpecifications,the30-dayactionstatementinT/S3.3'.8forUnit1and3.3'.6forUnit2isproposedforthecontainmentwaterlevelandcontainmentsumplevelinstrumentation.TheformatofT/STables3.3-11and3.3-10forUnits1and2variesfromtheGenericLetterexamplebecauseourpresentT/Ssincludeonlyonecolumnlisting"MinimumChannelsOperable."InordertokeeptheformatsimilartootheraccidentmonitoringinstrumentationincludedinthepresentT/Ss,thecolumnlistingthe"RequiredNo.ofChannels"isnotincluded.Per10CFR50.92,aproposedamendmentwillnotinvolveasignificanthazArdsconsiderationiftheproposedamendmentdoesnot:(1)involve'significantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated,(2)createthepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyanalyzedorevaluated,or(3)involveasignificantreductioninamarginofsafety.
lN~P7Attachment4toA..NRC:0856TCriterionThesechangeswillexpandthelicenserequirementsforpost-accidentmonitoringinstrumentationandassisttheoperatorinrecoveringfromanaccident.Thechangeswillnotinvolveasignificantincreaseintheprobabilityorconsequencesofanypreviouslyevaluatedaccident.Criterion2Thechangesdonotaffectnormaloraccidentplantoperation.Inanaccidenttheywillservetoprovidedatatotheoperator;therefore,thechangeswillnotcreatethepossibilityofanewordifferentkindofaccidentfromanypreviouslyanalyzedorevaluated.Criterion3Thechangesdonotinvolveasignificantreductioninthemarginofsafety,sincetheywillonlyrequirethatadditionaldatabeavailabletotheoperator.TheCommissionhasprovidedguidanceconcerningthedeterminationofsi.gnificanthazardsbyprovidingcertainexamples(48FR14870)ofamendmentsconsiderednotlikelytoinvolvesignificanthazardsconsideration.Thesecondoftheseexamplesreferstochangesthatimposeadditionallimitations,restrictions,orcontrolsnotpresentlyincludedintheT/Ss.SincetherequirementforsumpandcontainmentwaterlevelmonitorsconstitutearestrictionwhichthecurrentT/Ssdonothave,webelievethisexampleisapplicableandthatthechangesinvolvenosignificanthazardsconsideration.TheaboveT/SchangesconstituteadditionalrestrictionstothepresentT/Ss.Therefore,webelievethatthesechangesdonotinvolveasignificanthazardsconsiderationasdefinedin10CFR50.92.ItisnotedthatAEP:NRC:0856Ialsoproposedchangesfortheaxialpowerdistributionmonitoringsystemandseveraladministrativechanges.Wearelimitingthissubmittaltochangesforthecontainmentwaterlevelandcontainmentsumplevelinstrumentation.WerequestthatyourstaffcontinuetoreviewthechangesregardingtheaxialpowerdistributionsystemandtheadministrativechangesassubmittedinAEP:NRC:0856I.
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